Quadratic Form (statistics)
If is a vector of random variables, and is an -dimensional symmetric matrix, then the scalar quantity
is known as a quadratic form in .
Read more about Quadratic Form (statistics): Expectation, Variance, Examples of Quadratic Forms
Famous quotes containing the word form:
“Every New Englander might easily raise all his own breadstuffs in this land of rye and Indian corn, and not depend on distant and fluctuating markets for them. Yet so far are we from simplicity and independence that, in Concord, fresh and sweet meal is rarely sold in the shops, and hominy and corn in a still coarser form are hardly used by any.”
—Henry David Thoreau (1817–1862)